IONIS PHARMACEUTICALS INC — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| WENDER JOSEPH H | — | Sale | 7,429 | $81.23 | $603,458 | 36,035 | Dec 1, 2025 |
| KLEIN JOSEPH III | — | Option Exercise | 4,000 | — | — | 4,000 | Nov 25, 2025 |
| Devers Shannon L. | EVP, Chief Human Resources Ofc | Option Exercise | 16,777 | $53.77 | $902,099 | 34,271 | Nov 25, 2025 |
| HERMAN JOAN E | — | Option Exercise | 12,000 | $40.05 | $480,600 | 58,086 | Nov 19, 2025 |
| WENDER JOSEPH H | — | Option Exercise | 16,000 | $24.42 | $390,720 | 16,000 | Nov 18, 2025 |
| Birchler Brian | EVP, Corp and Development Ops | Sale | 8,000 | $76.17 | $609,360 | 48,826 | Nov 6, 2025 |
| Geary Richard S | EVP, Chief Development Officer | Sale | 800 | $75.01 | $60,008 | 59,657 | Nov 5, 2025 |
| Geary Richard S | EVP, Chief Development Officer | Sale | 905 | $75.05 | $67,920 | 59,657 | Nov 3, 2025 |
| Geary Richard S | EVP, Chief Development Officer | Option Exercise | 34,585 | $60.89 | $2,105,881 | 114,242 | Nov 3, 2025 |
| WENDER JOSEPH H | — | Sale | 5,975 | $73.85 | $441,254 | 75,235 | Oct 31, 2025 |
| LOSCALZO JOSEPH | — | Option Exercise | 16,000 | $52.22 | $835,520 | 52,330 | Oct 31, 2025 |
| Swayze Eric | EVP Research | Sale | 53 | $73.62 | $3,902 | 256 | Oct 15, 2025 |
| PARSHALL B LYNNE | — | Sale | 5,000 | $71.74 | $358,700 | 61,344 | Oct 15, 2025 |
| Devers Shannon L. | EVP, Chief Human Resources Ofc | Sale | 1,263 | $73.62 | $92,982 | 17,494 | Oct 15, 2025 |
| Birchler Brian | EVP, Corp and Development Ops | Sale | 12,425 | $72.23 | $897,458 | 56,826 | Oct 15, 2025 |
| Swayze Eric | EVP Research | Sale | 6,849 | $69.02 | $472,718 | 30,453 | Oct 6, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Sale | 3,241 | $69.27 | $224,504 | 53,889 | Oct 6, 2025 |
| Monia Brett P | Chief Executive Officer | Sale | 437 | $69.26 | $30,267 | 179,572 | Oct 6, 2025 |
| Baroldi Joseph | EVP, Chief Business Officer | Sale | 1,625 | $69.37 | $112,726 | 30,301 | Oct 6, 2025 |
| Swayze Eric | EVP Research | Option Exercise | 14,142 | $53.77 | $760,415 | 51,444 | Oct 2, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Option Exercise | 34,461 | $60.89 | $2,098,330 | 91,591 | Oct 2, 2025 |
| Baroldi Joseph | EVP, Chief Business Officer | Option Exercise | 15,000 | $31.80 | $477,000 | 46,926 | Oct 2, 2025 |
| WENDER JOSEPH H | — | Sale | 16,800 | $65.50 | $1,100,400 | 92,035 | Oct 1, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Sale | 10,473 | $64.54 | $675,927 | 57,130 | Sep 30, 2025 |
| Geary Richard S | EVP, Chief Development Officer | Option Exercise | 57,900 | $53.77 | $3,113,283 | 137,557 | Sep 30, 2025 |
| HOUGEN ELIZABETH L | EVP, Finance & CFO | Sale | 49,800 | $65.26 | $3,249,948 | 110,500 | Sep 30, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Option Exercise | 1,700 | $56.78 | $96,526 | 58,830 | Sep 12, 2025 |
| Baroldi Joseph | EVP, Chief Business Officer | Sale | 11,950 | $62.16 | $742,812 | 31,926 | Sep 9, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Sale | 1,000 | $64.56 | $64,560 | 57,130 | Sep 9, 2025 |
| Baroldi Joseph | EVP, Chief Business Officer | Option Exercise | 250 | $31.80 | $7,950 | 32,176 | Sep 5, 2025 |
| BENNETT C FRANK | EVP, Chief Scientific Officer | Sale | 6,000 | $59.60 | $357,600 | 82,679 | Sep 5, 2025 |
| Monia Brett P | Chief Executive Officer | Option Exercise | 42,030 | $37.58 | $1,579,487 | 308,324 | Sep 3, 2025 |
| KLEIN JOSEPH III | — | Sale | 28,000 | $60.00 | $1,680,000 | — | Sep 3, 2025 |
| KLEIN JOSEPH III | — | Sale | 28,000 | $60.00 | $1,680,000 | — | Sep 3, 2025 |
| Devers Shannon L. | EVP, Chief Human Resources Ofc | Option Exercise | 2,234 | $37.58 | $83,954 | 18,171 | Sep 3, 2025 |
| Baroldi Joseph | EVP, Chief Business Officer | Option Exercise | 2,800 | $31.80 | $89,040 | 34,726 | Sep 3, 2025 |
| LOSCALZO JOSEPH | — | Option Exercise | 16,000 | $24.42 | $390,720 | 52,330 | Sep 3, 2025 |
| Schneider Eugene | EVP, Chf Clinical Develop Ofcr | Option Exercise | 19,658 | $53.77 | $1,057,011 | 71,165 | Sep 3, 2025 |
| Swayze Eric | EVP Research | Sale | 10,000 | $49.22 | $492,200 | 38,432 | Sep 2, 2025 |
| WENDER JOSEPH H | — | Sale | 5,600 | $57.53 | $322,168 | 120,035 | Sep 2, 2025 |
| PARSHALL B LYNNE | — | Sale | 10,750 | $50.42 | $542,015 | 75,594 | Sep 2, 2025 |
| Geary Richard S | EVP, Chief Development Officer | Sale | 10,000 | $50.37 | $503,700 | 79,657 | Sep 2, 2025 |
| WENDER JOSEPH H | — | Sale | 5,600 | $57.53 | $322,168 | 120,035 | Sep 2, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Option Exercise | 49,800 | $53.77 | $2,677,746 | 57,130 | Sep 2, 2025 |
| BENNETT C FRANK | EVP, Chief Scientific Officer | Option Exercise | 12,891 | $61.50 | $792,797 | 88,679 | Sep 2, 2025 |
| O'NEIL PATRICK R. | EVP CLO & General Counsel | Other | 331 | $27.71 | $9,172 | 57,130 | Aug 29, 2025 |
| Monia Brett P | Chief Executive Officer | Other | 189 | $27.71 | $5,237 | 180,009 | Aug 29, 2025 |
| Geary Richard S | EVP, Chief Development Officer | Other | 165 | $27.71 | $4,572 | 89,657 | Aug 29, 2025 |
| BENNETT C FRANK | EVP, Chief Scientific Officer | Other | 213 | $27.71 | $5,902 | 93,679 | Aug 29, 2025 |
| Birchler Brian | EVP, Corp and Development Ops | Other | 166 | $27.71 | $4,600 | 56,826 | Aug 29, 2025 |